CBUMF (China National Building Material Co) Cyclically Adjusted PB Ratio: 0.32 (As of Jul. 31, 2026) — 27% Below Median

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CBUMF China National Building Material Co Ltd CBUMF
38 GF Score
Price $0.48
GF Value $0.52
Valuation Fairly Valued
! 8 Warning Signs
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What is China National Building Material Co Cyclically Adjusted PB Ratio?

China National Building Material Co CBUMF +0.76% 38 Cyclically Adjusted PB Ratio is 0.32 as of Jul. 31, 2026, which is 27% below its 10-year median of 0.44. GuruFocus rates CBUMF with a GF Score™ of 38/100 and a GF Value™ of $0.52 (Fairly Valued). The stock has 8 warning signs investors should review. Among 315 Building Materials companies, China National Building Material Co ranks better than 86.98% on this metric.

As of today (2026-07-31), China National Building Material Co's current share price is $0.47575. China National Building Material Co's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was $1.49. China National Building Material Co's Cyclically Adjusted PB Ratio for today is 0.32.

The historical rank and industry rank for China National Building Material Co's Cyclically Adjusted PB Ratio or its related term are showing as below:

CBUMF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.29   Med: 0.44   Max: 0.55
Current: 0.3

During the past years, China National Building Material Co's highest Cyclically Adjusted PB Ratio was 0.55. The lowest was 0.29. And the median was 0.44.

CBUMF's Cyclically Adjusted PB Ratio is ranked better than
86.98% of 315 companies
in the Building Materials industry
Industry Median: 0.98 vs CBUMF: 0.30

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

China National Building Material Co's adjusted book value per share data for the three months ended in Dec. 2025 was $2.069. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $1.49 for the trailing ten years ended in Dec. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


China National Building Material Co  (OTCPK:CBUMF) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


China National Building Material Co Cyclically Adjusted PB Ratio Related Terms


China National Building Material Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for China National Building Material Co's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

China National Building Material Co Cyclically Adjusted PB Ratio Chart

China National Building Material Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.41

China National Building Material Co Quarterly Data
Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.33 0.46 0.41

CBUMF vs CRH, VMC, MLM: Cyclically Adjusted PB Ratio Comparison

For the Building Materials subindustry, China National Building Material Co's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


China National Building Material Co Cyclically Adjusted PB Ratio vs Building Materials Industry

For the Building Materials industry and Basic Materials sector, China National Building Material Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where China National Building Material Co's Cyclically Adjusted PB Ratio falls into.


CBUMF
38GF Score
China National Building Material Co Ltd CBUMF
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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China National Building Material Co Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

China National Building Material Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.47575/1.49
=0.32

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

China National Building Material Co's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 is calculated as:

For example, China National Building Material Co's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book=Book Value per Share/CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=2.069/115.8323*115.8323
=2.069

Current CPI (Dec. 2025) = 115.8323.

China National Building Material Co Quarterly Data

Book Value per Share CPI Adj_Book
200612 0.130 77.793 0.194
200712 0.227 82.911 0.317
200812 0.292 83.956 0.403
200912 0.381 85.386 0.517
201006 0.413 85.886 0.557
201012 0.534 89.289 0.693
201106 0.630 91.612 0.797
201112 0.768 92.885 0.958
201206 0.786 93.495 0.974
201212 0.906 95.237 1.102
201306 0.933 95.984 1.126
201312 1.079 97.624 1.280
201406 1.072 98.200 1.264
201412 1.365 99.000 1.597
201506 1.364 99.500 1.588
201512 1.491 100.600 1.717
201606 1.452 101.400 1.659
201612 1.895 102.600 2.139
201706 1.493 103.100 1.677
201712 2.269 104.500 2.515
201806 1.594 104.900 1.760
201812 1.616 106.500 1.758
201906 1.724 107.700 1.854
201912 1.713 111.200 1.784
202006 1.766 110.400 1.853
202012 1.986 111.500 2.063
202106 2.110 111.769 2.187
202112 2.250 113.108 2.304
202206 2.170 114.558 2.194
202212 2.094 115.116 2.107
202306 1.997 114.558 2.019
202312 2.045 114.781 2.064
202403 2.006 115.227 2.017
202406 1.908 114.781 1.925
202409 1.953 115.785 1.954
202412 1.945 114.893 1.961
202503 2.104 115.116 2.117
202506 2.134 114.907 2.151
202509 2.160 115.471 2.167
202512 2.069 115.832 2.069

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.32 mean?
China National Building Material Co (CBUMF) has a Cyclically Adjusted PB Ratio of 0.32 as of Jul. 31, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on China National Building Material Co and its competitors. This is 27% below median its historical median of 0.44. Over the past decade, China National Building Material Co's Cyclically Adjusted PB Ratio has ranged from 0.29 to 0.55. According to the industry distribution chart, China National Building Material Co ranks #41 out of 315 companies in the Building Materials industry, placing it in the top 13%.
Is China National Building Material Co's Cyclically Adjusted PB Ratio too high?
China National Building Material Co's current Cyclically Adjusted PB Ratio of 0.32 is 27% below median its 10-year median of 0.44. Over the past 10 years, this metric has ranged from a low of 0.29 to a high of 0.55. The Building Materials industry median Cyclically Adjusted PB Ratio is 0.98. China National Building Material Co's value of 0.32 is 67.3% below this industry median. Based on the distribution chart, China National Building Material Co ranks #41 out of 315 companies in the Building Materials industry, which is in the top quartile — a strong position relative to peers. Overall, China National Building Material Co has a GF Score™ of 38/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does China National Building Material Co's Cyclically Adjusted PB Ratio compare to CRH and VMC?
According to the Building Materials industry distribution chart, China National Building Material Co ranks #41 out of 315 companies for Cyclically Adjusted PB Ratio. This places China National Building Material Co in the top 13% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 0.98. China National Building Material Co's value of 0.32 is 67.3% below this benchmark. Historically, China National Building Material Co's own Cyclically Adjusted PB Ratio has ranged from 0.29 to 0.55 over the past decade. While the company's 10-year median is 0.44 vs. the industry median of 0.98, China National Building Material Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Building Materials company?
The median Cyclically Adjusted PB Ratio among Building Materials companies is 0.98, based on 315 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. China National Building Material Co's current Cyclically Adjusted PB Ratio of 0.32 is 67.3% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on China National Building Material Co and its competitors. For the Building Materials industry, the median Cyclically Adjusted PB Ratio is 0.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. China National Building Material Co's current Cyclically Adjusted PB Ratio is 0.32, which is 27% below median its own 10-year median of 0.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is China National Building Material Co stock overvalued right now?
Based on GuruFocus' analysis, China National Building Material Co (CBUMF) is currently considered Fairly Valued. The stock's GF Value™ is $0.52, compared to a current price of $0.48 — trading 8.5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.32, which is 27% below median its 10-year median of 0.44 and 67.3% below the Building Materials industry median of 0.98. China National Building Material Co's overall GF Score™ is 38/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For China National Building Material Co (CBUMF), the current Cyclically Adjusted PB Ratio is 0.32 as of Jul. 31, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is China National Building Material Co (CBUMF) Overvalued in 2026?

Based on GuruFocus' analysis, China National Building Material Co stock appears to be undervalued. The current stock price of $0.48 is trading 8.5% below its estimated GF Value™ of $0.52. GuruFocus considers China National Building Material Co to be Fairly Valued.

Key valuation signals for CBUMF:

  • Cyclically Adjusted PB Ratio: 0.32 (27% below median its 10-year median of 0.44)
  • GF Value™: $0.52 vs. price of $0.48 (8.5% below fair value)
  • GF Score™: 38/100 with 8 warning signs
  • Industry Position: 67.3% below the Building Materials median (#41 of 315)

No single metric tells the full story. See the CBUMF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


China National Building Material Co Business Description

Address No. 17 Fuxing Road, 21st Floor, Tower 2 (Building B), Guohai Plaza, Haidian District, Beijing, CHN, 100036
China National Building Material Co Ltd. is a state-owned building material holding company. It has three reportable segments: Basic building materials segment, New materials segment, and Engineering technology service segment. The company's majority of revenue is from the Basic building materials segment. Geographically, the company operates in the PRC, Asia, Europe, the Middle East, Africa, the Americas, and other regions, with the maximum revenue from the PRC and Africa.
38GF Score

Get the complete analysis for CBUMF

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.48
Price
$0.52
GF Value